#!/bin/bash
# ─────────────────────────────────────────────────────────────────────────────
# deploy.sh — Update aplikasi dari GitHub dan restart di cPanel
#
# Jalankan dari SSH cPanel di folder aplikasi:
#   cd ~/public_html/misipintar/misipintar-1.0
#   bash deploy.sh
#
# Yang dilakukan script ini:
#   1. Ambil perubahan terbaru dari GitHub (force reset)
#   2. Install dependencies (SKIP jika package.json tidak berubah)
#   3. Generate Prisma client (binary engine)
#   4. Jalankan migrasi database terbaru
#   5. Seed Plans & AppConfig (SKIP otomatis kalau sudah ada)
#   6. Seed akun admin pertama (SKIP otomatis kalau sudah ada)
#   7. Restart aplikasi via Phusion Passenger
# ─────────────────────────────────────────────────────────────────────────────

set -e

APP_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$APP_DIR"

echo ""
echo "════════════════════════════════════════════════════════"
echo "  MisiPintar — Deploy Script"
echo "  Dir : $APP_DIR"
echo "  Date: $(date)"
echo "════════════════════════════════════════════════════════"
echo ""

# ── 1. Git: reset & pull ──────────────────────────────────────────────────────
echo "▶ [1/5] Git pull origin main ..."

git fetch origin
git reset --hard origin/main

echo "  ✓ Kode berhasil diperbarui"
echo ""

# ── 1b. Symlink standalone/node_modules → root node_modules ──────────────────
# .next/standalone/node_modules/ tidak di-commit ke git (terlalu besar ~140MB).
# Next.js standalone server.js butuh node_modules di sampingnya — symlink cukup.
if [ -d "$APP_DIR/.next/standalone" ]; then
  ln -sfn "$APP_DIR/node_modules" "$APP_DIR/.next/standalone/node_modules"
  echo "  ✓ Symlink standalone/node_modules → root node_modules"
fi
echo ""

# ── 1c. Verifikasi sinkronisasi build vs commit ───────────────────────────────
# Mendeteksi kalau ada commit baru yang belum di-build di Replit.
# File .build_commit ditulis oleh scripts/prepare-standalone.sh saat build selesai.
BUILD_COMMIT_FILE="$APP_DIR/.next/standalone/.build_commit"
CURRENT_HEAD=$(git rev-parse HEAD 2>/dev/null || echo "unknown")

if [ -f "$BUILD_COMMIT_FILE" ]; then
  BUILT_AT=$(cat "$BUILD_COMMIT_FILE" 2>/dev/null | tr -d '[:space:]')
  if [ "$CURRENT_HEAD" = "$BUILT_AT" ]; then
    echo "  ✓ Standalone sinkron dengan commit HEAD (${CURRENT_HEAD:0:12})"
  else
    # Cek apakah perbedaan antara BUILT_AT dan HEAD hanya file .next/
    # Replit kadang auto-commit hasil build → HEAD 1 commit lebih baru, tapi kode sama
    # Hanya hitung perubahan di file kode sumber (src/, prisma/, scripts/, package.json, dll)
    # Abaikan: .next/ (build output), public/ (generated assets: sitemap, manifest)
    #
    # PENTING: gunakan `wc -l` bukan `grep -c .`
    # `grep -c` keluar dengan exit code 1 saat count=0, lalu `|| echo "0"` ikut jalan
    # → variabel jadi "0\n0" dan perbandingan `[ ... = "0" ]` gagal (false positive).
    NON_NEXT_CHANGES=$(git diff --name-only "$BUILT_AT" "$CURRENT_HEAD" 2>/dev/null \
      | grep -v '^\.next/' \
      | grep -v '^public/' \
      | grep -v '^\.' \
      | grep -v '^package-lock\.json$' \
      | grep -v '^yarn\.lock$' \
      | grep -v '^deploy\.sh$' \
      | grep -v '^replit\.md$' \
      | grep -v '^README\.md$' \
      | grep -v '^attached_assets/' \
      | grep -v '^scripts/' \
      | grep -v '^prisma/migrations/' \
      | grep -v '^\.agents/' \
      | grep -v '^\.gitignore$' \
      | wc -l | tr -d ' ')

    if [ "$NON_NEXT_CHANGES" = "0" ]; then
      echo "  ✓ Standalone sinkron — commit HEAD hanya berisi perubahan build artifacts"
      echo "    (built: ${BUILT_AT:0:12} → HEAD: ${CURRENT_HEAD:0:12})"
    else
      echo ""
      echo "  ⚠️  ══════════════════════════════════════════════════════════"
      echo "  ⚠️  PERINGATAN: Standalone TIDAK sinkron dengan commit terbaru!"
      echo "  ⚠️  HEAD saat ini : ${CURRENT_HEAD:0:12}"
      echo "  ⚠️  Dibangun dari : ${BUILT_AT:0:12}"
      echo "  ⚠️  File kode yang belum di-build: $NON_NEXT_CHANGES file"
      echo "  ⚠️"
      echo "  ⚠️  Artinya: ada perubahan kode yang belum di-build."
      echo "  ⚠️  Halaman produksi akan menampilkan versi LAMA."
      echo "  ⚠️"
      echo "  ⚠️  Solusi — jalankan di Replit:"
      echo "  ⚠️    npm run build   (atau 2 step manual jika timeout)"
      echo "  ⚠️    → commit & push ke GitHub"
      echo "  ⚠️    → bash deploy.sh"
      echo "  ⚠️  ══════════════════════════════════════════════════════════"
      echo ""
    fi
  fi
else
  echo "  ⚠️  .build_commit belum ada — pengecekan sinkronisasi tidak aktif"
  echo "      (jalankan npm run build di Replit untuk mengaktifkan fitur ini)"
fi
echo ""

# ── 2. Install dependencies ───────────────────────────────────────────────────
echo "▶ [2/5] Install Node.js dependencies ..."

# ── Setup PATH: tambahkan lokasi ea-nodejs cPanel ─────────────────────────
for _NDIR in \
  "/opt/cpanel/ea-nodejs22/root/usr/bin" \
  "/opt/cpanel/ea-nodejs20/root/usr/bin" \
  "/opt/cpanel/ea-nodejs18/root/usr/bin" \
  "/opt/cpanel/ea-nodejs22/bin" \
  "/opt/cpanel/ea-nodejs20/bin" \
  "$HOME/.nvm/versions/node/$(ls $HOME/.nvm/versions/node/ 2>/dev/null | sort -V | tail -1)/bin" \
  "$HOME/nodevenv/public_html/misipintar/misipintar-1.0/22/bin" \
  "$HOME/nodevenv/public_html/misipintar/misipintar-1.0/20/bin"; do
  if [ -d "$_NDIR" ] && [[ ":$PATH:" != *":$_NDIR:"* ]]; then
    export PATH="$_NDIR:$PATH"
  fi
done

# Batasi semua sumber thread — harus di-export sebelum node/npm apapun dijalankan
export UV_THREADPOOL_SIZE=1
export RAYON_NUM_THREADS=1
export TOKIO_WORKER_THREADS=1
export npm_config_maxsockets=1
export NODE_OPTIONS="--max-old-space-size=256"

# ── Deteksi perubahan package.json ──────────────────────────────────────────
# Root penyebab crash: node sendiri gagal buat thread saat server sedang penuh proses.
# Solusi utama: SKIP npm install sepenuhnya jika package.json tidak berubah.
# (99% deploy hanya ubah kode, bukan dependency — install tidak perlu diulang.)
PKG_HASH_FILE="$APP_DIR/.pkg_hash"
PKG_HASH=$(md5sum "$APP_DIR/package.json" | awk '{print $1}')
MODULES_OK=0

if [ -d "$APP_DIR/node_modules" ] && [ -f "$PKG_HASH_FILE" ]; then
  SAVED_HASH=$(cat "$PKG_HASH_FILE" 2>/dev/null || echo "")
  if [ "$PKG_HASH" = "$SAVED_HASH" ]; then
    echo "  → package.json tidak berubah — skip install (node_modules sudah up-to-date)"
    MODULES_OK=1
  else
    echo "  → package.json berubah — install diperlukan"
  fi
else
  echo "  → node_modules belum ada atau hash hilang — install diperlukan"
fi

if [ "$MODULES_OK" -eq 0 ]; then
  # Cari npm-cli.js langsung, hindari wrapper cPanel yang bisa crash lebih awal
  find_npm_cli() {
    # Cari di path ea-nodejs khas cPanel
    local ver
    ver=$(node --version 2>/dev/null | tr -d 'v' | cut -d. -f1)
    for v in "$ver" 22 20 18; do
      for base in \
        "/opt/cpanel/ea-nodejs${v}/root/usr/lib/node_modules/npm/bin" \
        "/opt/cpanel/ea-nodejs${v}/lib/node_modules/npm/bin" \
        "/opt/cpanel/ea-nodejs${v}/bin"; do
        if [ -f "$base/npm-cli.js" ]; then echo "$base/npm-cli.js"; return; fi
      done
    done
    echo ""
  }

  NPM_CLI=$(find_npm_cli)
  INSTALL_FLAGS="--omit=dev --ignore-scripts --no-fund --no-audit"
  MAX_TRIES=3
  SUCCESS=0

  for try in $(seq 1 $MAX_TRIES); do
    echo "  → Install percobaan $try/$MAX_TRIES ..."
    if [ -n "$NPM_CLI" ]; then
      # Jalankan npm-cli.js langsung via node — bypass wrapper cPanel
      node "$NPM_CLI" install $INSTALL_FLAGS && SUCCESS=1 && break
    else
      npm install $INSTALL_FLAGS && SUCCESS=1 && break
    fi
    echo "  ⚠️  Gagal — tunggu 15 detik agar server lowongkan proses ..."
    sleep 15
  done

  if [ "$SUCCESS" -eq 0 ]; then
    echo ""
    echo "  ✗ npm install gagal setelah $MAX_TRIES percobaan."
    echo "    Kemungkinan server sedang penuh proses (RLIMIT_NPROC)."
    echo "    Coba lagi beberapa menit kemudian, atau install manual:"
    echo "    UV_THREADPOOL_SIZE=1 npm install --omit=dev --ignore-scripts"
    exit 1
  fi

  # Simpan hash agar deploy berikutnya bisa skip install
  echo "$PKG_HASH" > "$PKG_HASH_FILE"
fi

echo "  ✓ Dependencies siap"
echo ""

# ── 3. Prisma generate ────────────────────────────────────────────────────────
echo "▶ [3/5] Prisma generate ..."

if [ -f "./node_modules/.bin/prisma" ]; then
  ./node_modules/.bin/prisma generate 2>/dev/null
  echo "  ✓ Prisma client siap"
else
  echo "  ⚠️  prisma tidak ditemukan di node_modules — skip"
fi
echo ""

# ── 4. Prisma migrate deploy ──────────────────────────────────────────────────
echo "▶ [4/5] Prisma migrate deploy ..."

if [ -f "./node_modules/.bin/prisma" ]; then

  # ── 4a. Tangani ALTER TYPE di luar transaction ────────────────────────────
  # PostgreSQL melarang ALTER TYPE ... ADD VALUE di dalam transaction block
  # (error code 25001). Prisma membungkus migration dalam BEGIN/COMMIT, sehingga
  # migration 20260723000000_add_doku_payment_provider SELALU gagal.
  #
  # Solusi: scripts/fix-doku-migration.js menjalankan ALTER TYPE via pg client
  # langsung (tanpa transaction), menambahkan kolom Invoice, dan menandai
  # migration sebagai applied di _prisma_migrations.
  # Script menggunakan IF NOT EXISTS di semua statement → aman dijalankan ulang.

  if node scripts/fix-doku-migration.js; then
    echo "  ✓ Fix migrasi DOKU selesai"
  else
    echo "  ⚠️  fix-doku-migration.js gagal — coba lanjutkan migrate tetap"
  fi

  # ── 4b. Jalankan sisa migration secara normal ─────────────────────────────
  ./node_modules/.bin/prisma migrate deploy && echo "  ✓ Migrasi database selesai" || {
    echo "  ⚠️  Migrasi gagal — cek output di atas"
  }
else
  echo "  ⚠️  Skip (prisma tidak ada)"
fi
echo ""

# ── 5. Seed Plans + AppConfig (skip kalau sudah ada) ──────────────────────────
echo "▶ [5/7] Seed plans & AppConfig ..."

if [ -f "./scripts/seed-plans.js" ]; then
  node scripts/seed-plans.js || echo "  ⚠️  seed-plans gagal — lanjut"
else
  echo "  ⚠️  scripts/seed-plans.js tidak ditemukan — skip"
fi
echo ""

# ── 6. Seed admin pertama (skip kalau sudah ada) ──────────────────────────────
echo "▶ [6/7] Seed admin ..."

if [ -f "./scripts/seed-admin.js" ]; then
  node scripts/seed-admin.js || echo "  ⚠️  seed-admin gagal — lanjut"
else
  echo "  ⚠️  scripts/seed-admin.js tidak ditemukan — skip"
fi
echo ""

# ── 7a. Verifikasi NODE_ENV dan cek resource sebelum restart ─────────────────
echo "▶ [7/7] Pre-restart check & restart aplikasi ..."

# Pastikan NODE_ENV production tersetting di .env (peringatan dini)
if [ -f "$APP_DIR/.env" ]; then
  if ! grep -q "^NODE_ENV=production" "$APP_DIR/.env" 2>/dev/null; then
    echo "  ⚠️  PERINGATAN: NODE_ENV=production tidak ditemukan di .env!"
    echo "      Aplikasi akan berjalan dalam mode development → RAM 2-3x lebih besar."
    echo "      Tambahkan: echo 'NODE_ENV=production' >> .env"
  else
    echo "  ✓ NODE_ENV=production terverifikasi di .env"
  fi
fi

# Info proses Node.js aktif saat ini (bantu deteksi ghost process)
NODE_PROCS=$(pgrep -c node 2>/dev/null || echo "0")
echo "  ℹ️  Proses Node.js aktif sebelum restart: ${NODE_PROCS}"
echo ""

# ── 7. Restart app (Phusion Passenger) ───────────────────────────────────────

RESTARTED=0

# Cara 1: passenger-config restart-app (tersedia jika Passenger di PATH cPanel)
# Ini cara paling andal — langsung kill proses lama dan spawn proses baru.
# Mencegah "proses hantu" (ghost process) dari BullMQ workers versi lama.
if command -v passenger-config &>/dev/null; then
  echo "  → Mencoba passenger-config restart-app ..."
  passenger-config restart-app "$APP_DIR" 2>/dev/null && RESTARTED=1 && \
    echo "  ✓ Restart via passenger-config (proses lama diterminasi)" || \
    echo "  ⚠️  passenger-config gagal — mencoba cara lain ..."
fi

# Cara 2: Cari passenger-config di path standar cPanel (jika tidak ada di PATH)
if [ "$RESTARTED" -eq 0 ]; then
  for PC in \
    "/usr/local/bin/passenger-config" \
    "/opt/cpanel/ea-ruby*/root/usr/bin/passenger-config" \
    "/usr/local/lib/ruby/gems/*/gems/passenger-*/bin/passenger-config"; do
    # shellcheck disable=SC2086
    PC_FOUND=$(ls $PC 2>/dev/null | head -1)
    if [ -n "$PC_FOUND" ] && [ -x "$PC_FOUND" ]; then
      "$PC_FOUND" restart-app "$APP_DIR" 2>/dev/null && RESTARTED=1 && \
        echo "  ✓ Restart via $PC_FOUND" && break
    fi
  done
fi

# Cara 3: touch tmp/restart.txt — Passenger reload otomatis pada request berikutnya.
# CATATAN: proses lama masih hidup sampai request pertama masuk setelah ini.
# Jika perlu immediate restart, lakukan via cPanel UI → Node.js Selector → Restart.
if [ "$RESTARTED" -eq 0 ]; then
  mkdir -p "$APP_DIR/tmp"
  touch "$APP_DIR/tmp/restart.txt"
  RESTARTED=1
  echo "  ✓ Restart via tmp/restart.txt (Passenger reload pada request berikutnya)"
  echo "  ℹ️  Untuk immediate restart: cPanel → Node.js Selector → Restart App"
fi

echo ""

# ── Selesai ───────────────────────────────────────────────────────────────────
echo "════════════════════════════════════════════════════════"
echo "  ✅ Deploy selesai! Aplikasi sudah di-restart otomatis."
echo "════════════════════════════════════════════════════════"
echo ""